From 7bf133e4b1e559d5ae53429575380f33159d1f13 Mon Sep 17 00:00:00 2001
From: Stephen Adams <edu/mit/csail/zurich/adams>
Date: Wed, 28 Feb 1996 16:29:56 +0000
Subject: [PATCH] Initial revision

---
 v7/src/win32/clipbrd.scm | 78 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 v7/src/win32/clipbrd.scm

diff --git a/v7/src/win32/clipbrd.scm b/v7/src/win32/clipbrd.scm
new file mode 100644
index 000000000..3046c6763
--- /dev/null
+++ b/v7/src/win32/clipbrd.scm
@@ -0,0 +1,78 @@
+;;; -*-Scheme-*-
+;;;
+;;;	$Id: clipbrd.scm,v 1.1 1996/02/28 16:29:56 adams Exp $
+;;;
+;;;	Copyright (c) 1995-96 Massachusetts Institute of Technology
+;;;
+;;;	This material was developed by the Scheme project at the
+;;;	Massachusetts Institute of Technology, Department of
+;;;	Electrical Engineering and Computer Science.  Permission to
+;;;	copy this software, to redistribute it, and to use it for any
+;;;	purpose is granted, subject to the following restrictions and
+;;;	understandings.
+;;;
+;;;	1. Any copy made of this software must include this copyright
+;;;	notice in full.
+;;;
+;;;	2. Users of this software agree to make their best efforts (a)
+;;;	to return to the MIT Scheme project any improvements or
+;;;	extensions that they make, so that these may be included in
+;;;	future releases; and (b) to inform MIT of noteworthy uses of
+;;;	this software.
+;;;
+;;;	3. All materials developed as a consequence of the use of this
+;;;	software shall duly acknowledge such use, in accordance with
+;;;	the usual standards of acknowledging credit in academic
+;;;	research.
+;;;
+;;;	4. MIT has made no warrantee or representation that the
+;;;	operation of this software will be error-free, and MIT is
+;;;	under no obligation to provide any services, by way of
+;;;	maintenance, update, or otherwise.
+;;;
+;;;	5. In conjunction with products arising from the use of this
+;;;	material, there shall be no use of the name of the
+;;;	Massachusetts Institute of Technology nor of any adaptation
+;;;	thereof in any advertising, promotional, or sales literature
+;;;	without prior written consent from MIT in each case.
+;;;
+;;; NOTE: Parts of this program (Edwin) were created by translation
+;;; from corresponding parts of GNU Emacs.  Users should be aware that
+;;; the GNU GENERAL PUBLIC LICENSE may apply to these parts.  A copy
+;;; of that license should have been included along with this file.
+
+;;;; Clipboard access
+
+
+(define (win32-clipboard-write-text s)
+  (let ((clip? (open-clipboard 0)))
+    (and clip?
+	 (let* ((len  (+ (string-length s) 1))
+		(mem  (global-alloc #x2002 #|= GMEM_MOVEABLE + GMEM_DDESHARE|#
+				    len)))
+	   (if (= mem 0)
+	       #F
+	       (let ((ptr  (global-lock mem)))
+		 (if (= ptr 0)
+		     #F
+		     (begin
+		       (copy-memory ptr s len)
+		       (global-unlock mem)
+		       (set-clipboard-data CF_TEXT mem)
+		       (close-clipboard)))))))))
+
+(define (win32-clipboard-read-text)
+  (let ((clip? (open-clipboard 0)))
+    (and clip?
+	 (let* ((mem  (get-clipboard-data CF_TEXT)))
+	   (if (= mem 0)
+	       #F
+	       (let* ((maxlen (global-size mem))
+		      (s      (string-allocate maxlen))
+		      (ptr    (global-lock mem)))
+		 (copy-memory s ptr maxlen)
+		 (global-unlock mem)
+		 (close-clipboard)
+		 (let ((end (vector-8b-find-next-char s 0 maxlen 0)))
+		   (set-string-length! s end))
+		 s))))))
\ No newline at end of file
-- 
2.25.1